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A few weeks ago, I replaced Ubuntu on my laptop with Linux Mint Debian Edition (LMDE).

During this time, I haven’t been doing much printing, just waiting for the geared stepper and other parts. This also meant that up to now, I haven’t attempted to connect to the Cupcake via LMDE.

Anyway when I attempted to connect to the printer, ReplicatorG 24 could not find the USB-serial port, but the FTDI drivers were installed, and it was listed as /dev/ttyUSB0. Running ReplicatorG as root worked however.

Basically, LMDE (and I’m guessing a few other distros do this as well) does not allow users to access the serial port by default. To change that, enter the following command in the terminal console:

sudo chmod a+rw /dev/ttyUSB0

A few caveats here. I added myself to the sudoers list (by default LMDE doesn’t do that and you’d have to su, then enter the above command).
And I hate to mention the obvious, but this assumes that your USB-serial port is listed as “ttyUSB0“. If not, just replace it with whatever it’s listed as (doing a “ls /dev/ttyUSB*” should give you a list).

Anyway, I hope this is of help someone out there.

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